Electric oven



FIG. 1 is a perspective view of an electric oven showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are shown for disclosure or illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for an electric oven, as shown and described. 